diff --git a/pyproject.toml b/pyproject.toml
index aafb320..ff3a0d8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ dependencies = [
 [dependency-groups]
 dev = [
   'grpc-stubs (==1.53.0.5)',
-  'grpcio-tools (==1.68.0)',
+  'grpcio-tools (==1.70.0)',
   'mypy (==1.13.0)',
   'pytest (==8.3.3)',
   'pytest-dotenv (==0.5.2)',